7898550912 has 192 divisors, whose sum is σ = 26291079360. Its totient is φ = 2229350400.

The previous prime is 7898550859. The next prime is 7898550917. The reversal of 7898550912 is 2190558987.

7898550912 is a `hidden beast` number, since 7 + 89 + 8 + 550 + 9 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (7898550917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 663412 + ... + 675212.

It is an arithmetic number, because the mean of its divisors is an integer number (136932705).

Almost surely, 2^7898550912 is an apocalyptic number.

7898550912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7898550912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13145539680).

7898550912 is an abundant number, since it is smaller than the sum of its proper divisors (18392528448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7898550912 is a wasteful number, since it uses less digits than its factorization.

7898550912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11911 (or 11896 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 54.

The square root of 7898550912 is about 88873.7920424238. The cubic root of 7898550912 is about 1991.5099195988.

The spelling of 7898550912 in words is "seven billion, eight hundred ninety-eight million, five hundred fifty thousand, nine hundred twelve".